<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>icon测试</title>
    <style>
        .box {
            background: #dddddd;
            width: 300px;
            height: 300px;

            border-top-left-radius: 40% 50%;
            border-top-right-radius: 40% 50%;
            border-bottom-left-radius: 50% 30%;
            border-bottom-right-radius: 50% 30%;
        }

        .ellipse {
            width: 250px;
            height: 150px;
            margin: 50px;
            background: #FFD900;
            border-radius: 50%;
        }
    </style>
</head>

<body>

    <div class="box"></div>

    <div class="ellipse"></div>


</body>

</html>
